Rheumatology Advance Access originally published online on September 9, 2008
Rheumatology 2008 47(11):1726-1727; doi:10.1093/rheumatology/ken334
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© The Author 2008. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org
LETTERS TO THE EDITOR |
Switching anti-TNF therapy in ankylosing spondylitis
1Department of Rheumatology, Norfolk and Norwich University Hospital, Norwich, Norfolk and 2Arthritis Centre, Northwick Park Hospital, Harrow, Middlesex, UK
Correspondence to: J. Pradeep, Department of Rheumatology, East block, level 1, Norfolk and Norwich University Hospital, Norwich, Norfolk NR4 7UY, UK. E-mail: john.pradeep@nnuh.nhs.uk
| The first 10% of the full text of this article appears below. |
SIR, The introduction of anti-TNF drugs has revolutionized the management of ankylosing spondylitis (AS) [1] and the efficacy of these drugs has been confirmed in clinical trials [2–4]. However, a significant proportion of patients withdraw from treatment because of inadequate efficacy (IE) or adverse effects (AEs). Because there are significant differences between chemical structure of anti-TNF drugs and mechanism of action there is a rationale for switching in these circumstances. Data from patients with RA suggest that switching from one anti-TNF drug to